About Us

Our Mission

The Popponesset Water Stewardship Alliance was formed in 2021 with the goal of better understanding the changing environmental conditions along the Nantucket Sound coastline and if these changes could be related to the same water quality issues impacting Cape Cod's embayments. 

 In collaboration with local environmental organizations and research institutions throughout the United States, the group has been studying the impacts of invasive seaweed, periodic jellyfish blooms, and anthropogenic nutrient enrichment on coastal Nantucket Sound's waters. 

2025 Board Members

Nicole Corbett
President, Executive Director, Board  Member

Jillian Donovan
Secretary, Board  Member

Michael Keohane
Board  Member

John McGinness
Vice President, Board  Member

Bob Wittstein
Treasurer, Board  Member

Simon Romanski
Board  Member

Support Our Cause

Popponesset Water Stewardship Alliance

501(c)3 Nonprofit organization 

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